Wrench head



FIG. 1 is a lower right side perspective view;

FIG. 2 is an upper right side perspective view;

FIG. 3 is a lower left side perspective view;

FIG. 4 is an upper left side perspective view;

FIG. 5 is a top view;

FIG. 6 is a bottom view;

FIG. 7 is a right side view;

FIG. 8 is a left side view;

FIG. 9 is a back view; and,

FIG. 10 is a front view. 

CLAIM The ornamental design for a wrench head, as shown and described. 